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3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 # 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
6 # This file is free software; the Free Software Foundation
7 # gives unlimited permission to copy and/or distribute it,
8 # with or without modifications, as long as this notice is preserved.
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630 # Check to see how 'make' treats includes. -*- Autoconf -*-
632 # Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
634 # This file is free software; the Free Software Foundation
635 # gives unlimited permission to copy and/or distribute it,
636 # with or without modifications, as long as this notice is preserved.
642 # Check to see how make treats includes.
643 AC_DEFUN([AM_MAKE_INCLUDE],
644 [am_make=${MAKE-make}
645 cat > confinc << 'END'
647 @echo this is the am__doit target
650 # If we don't find an include directive, just comment out the code.
651 AC_MSG_CHECKING([for style of include used by $am_make])
655 # First try GNU make style include.
656 echo "include confinc" > confmf
657 # Ignore all kinds of additional output from `make'.
658 case `$am_make -s -f confmf 2> /dev/null` in #(
659 *the\ am__doit\ target*)
665 # Now try BSD make style include.
666 if test "$am__include" = "#"; then
667 echo '.include "confinc"' > confmf
668 case `$am_make -s -f confmf 2> /dev/null` in #(
669 *the\ am__doit\ target*)
676 AC_SUBST([am__include])
677 AC_SUBST([am__quote])
678 AC_MSG_RESULT([$_am_result])
682 # Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2008
683 # Free Software Foundation, Inc.
685 # This file is free software; the Free Software Foundation
686 # gives unlimited permission to copy and/or distribute it,
687 # with or without modifications, as long as this notice is preserved.
693 # Like AC_PROG_CC_C_O, but changed for automake.
694 AC_DEFUN([AM_PROG_CC_C_O],
695 [AC_REQUIRE([AC_PROG_CC_C_O])dnl
696 AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
697 AC_REQUIRE_AUX_FILE([compile])dnl
698 # FIXME: we rely on the cache variable name because
699 # there is no other way.
701 am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
702 eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
703 if test "$am_t" != yes; then
704 # Losing compiler, so override with the script.
705 # FIXME: It is wrong to rewrite CC.
706 # But if we don't then we get into trouble of one sort or another.
707 # A longer-term fix would be to have automake use am__CC in this case,
708 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
709 CC="$am_aux_dir/compile $CC"
711 dnl Make sure AC_PROG_CC is never called again, or it will override our
713 m4_define([AC_PROG_CC],
714 [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
717 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
719 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
720 # Free Software Foundation, Inc.
722 # This file is free software; the Free Software Foundation
723 # gives unlimited permission to copy and/or distribute it,
724 # with or without modifications, as long as this notice is preserved.
728 # AM_MISSING_PROG(NAME, PROGRAM)
729 # ------------------------------
730 AC_DEFUN([AM_MISSING_PROG],
731 [AC_REQUIRE([AM_MISSING_HAS_RUN])
732 $1=${$1-"${am_missing_run}$2"}
738 # Define MISSING if not defined so far and test if it supports --run.
739 # If it does, set am_missing_run to use it, otherwise, to nothing.
740 AC_DEFUN([AM_MISSING_HAS_RUN],
741 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
742 AC_REQUIRE_AUX_FILE([missing])dnl
743 if test x"${MISSING+set}" != xset; then
746 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
748 MISSING="\${SHELL} $am_aux_dir/missing" ;;
751 # Use eval to expand $SHELL
752 if eval "$MISSING --run true"; then
753 am_missing_run="$MISSING --run "
756 AC_MSG_WARN([`missing' script is too old or missing])
760 # Copyright (C) 2003, 2004, 2005, 2006, 2011 Free Software Foundation,
763 # This file is free software; the Free Software Foundation
764 # gives unlimited permission to copy and/or distribute it,
765 # with or without modifications, as long as this notice is preserved.
771 # Check for `mkdir -p'.
772 AC_DEFUN([AM_PROG_MKDIR_P],
773 [AC_PREREQ([2.60])dnl
774 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
775 dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
776 dnl while keeping a definition of mkdir_p for backward compatibility.
777 dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
778 dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
779 dnl Makefile.ins that do not define MKDIR_P, so we do our own
780 dnl adjustment using top_builddir (which is defined more often than
782 AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
784 [[\\/$]]* | ?:[[\\/]]*) ;;
785 */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
789 # Helper functions for option handling. -*- Autoconf -*-
791 # Copyright (C) 2001, 2002, 2003, 2005, 2008, 2010 Free Software
794 # This file is free software; the Free Software Foundation
795 # gives unlimited permission to copy and/or distribute it,
796 # with or without modifications, as long as this notice is preserved.
800 # _AM_MANGLE_OPTION(NAME)
801 # -----------------------
802 AC_DEFUN([_AM_MANGLE_OPTION],
803 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
805 # _AM_SET_OPTION(NAME)
806 # --------------------
807 # Set option NAME. Presently that only means defining a flag for this option.
808 AC_DEFUN([_AM_SET_OPTION],
809 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
811 # _AM_SET_OPTIONS(OPTIONS)
812 # ------------------------
813 # OPTIONS is a space-separated list of Automake options.
814 AC_DEFUN([_AM_SET_OPTIONS],
815 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
817 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
818 # -------------------------------------------
819 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
820 AC_DEFUN([_AM_IF_OPTION],
821 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
823 # Check to make sure that the build environment is sane. -*- Autoconf -*-
825 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
826 # Free Software Foundation, Inc.
828 # This file is free software; the Free Software Foundation
829 # gives unlimited permission to copy and/or distribute it,
830 # with or without modifications, as long as this notice is preserved.
836 AC_DEFUN([AM_SANITY_CHECK],
837 [AC_MSG_CHECKING([whether build environment is sane])
840 echo timestamp > conftest.file
841 # Reject unsafe characters in $srcdir or the absolute working directory
842 # name. Accept space and tab only in the latter.
846 *[[\\\"\#\$\&\'\`$am_lf]]*)
847 AC_MSG_ERROR([unsafe absolute working directory name]);;
850 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
851 AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
854 # Do `set' in a subshell so we don't clobber the current shell's
855 # arguments. Must try -L first in case configure is actually a
856 # symlink; some systems play weird games with the mod time of symlinks
857 # (eg FreeBSD returns the mod time of the symlink's containing
860 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
861 if test "$[*]" = "X"; then
863 set X `ls -t "$srcdir/configure" conftest.file`
866 if test "$[*]" != "X $srcdir/configure conftest.file" \
867 && test "$[*]" != "X conftest.file $srcdir/configure"; then
869 # If neither matched, then we have a broken ls. This can happen
870 # if, for instance, CONFIG_SHELL is bash and it inherits a
871 # broken ls alias from the environment. This has actually
872 # happened. Such a system could not be considered "sane".
873 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
874 alias in your environment])
877 test "$[2]" = conftest.file
883 AC_MSG_ERROR([newly created file is older than distributed files!
884 Check your system clock])
888 # Copyright (C) 2009, 2011 Free Software Foundation, Inc.
890 # This file is free software; the Free Software Foundation
891 # gives unlimited permission to copy and/or distribute it,
892 # with or without modifications, as long as this notice is preserved.
896 # AM_SILENT_RULES([DEFAULT])
897 # --------------------------
898 # Enable less verbose build rules; with the default set to DEFAULT
899 # (`yes' being less verbose, `no' or empty being verbose).
900 AC_DEFUN([AM_SILENT_RULES],
901 [AC_ARG_ENABLE([silent-rules],
902 [ --enable-silent-rules less verbose build output (undo: `make V=1')
903 --disable-silent-rules verbose build output (undo: `make V=0')])
904 case $enable_silent_rules in
905 yes) AM_DEFAULT_VERBOSITY=0;;
906 no) AM_DEFAULT_VERBOSITY=1;;
907 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
910 dnl A few `make' implementations (e.g., NonStop OS and NextStep)
911 dnl do not support nested variable expansions.
912 dnl See automake bug#9928 and bug#10237.
914 AC_CACHE_CHECK([whether $am_make supports nested variables],
915 [am_cv_make_support_nested_variables],
916 [if AS_ECHO([['TRUE=$(BAR$(V))
922 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
923 am_cv_make_support_nested_variables=yes
925 am_cv_make_support_nested_variables=no
927 if test $am_cv_make_support_nested_variables = yes; then
928 dnl Using `$V' instead of `$(V)' breaks IRIX make.
930 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
932 AM_V=$AM_DEFAULT_VERBOSITY
933 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
936 AM_SUBST_NOTMAKE([AM_V])dnl
937 AC_SUBST([AM_DEFAULT_V])dnl
938 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
939 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
941 AC_SUBST([AM_BACKSLASH])dnl
942 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
945 # Copyright (C) 2001, 2003, 2005, 2011 Free Software Foundation, Inc.
947 # This file is free software; the Free Software Foundation
948 # gives unlimited permission to copy and/or distribute it,
949 # with or without modifications, as long as this notice is preserved.
953 # AM_PROG_INSTALL_STRIP
954 # ---------------------
955 # One issue with vendor `install' (even GNU) is that you can't
956 # specify the program used to strip binaries. This is especially
957 # annoying in cross-compiling environments, where the build's strip
958 # is unlikely to handle the host's binaries.
959 # Fortunately install-sh will honor a STRIPPROG variable, so we
960 # always use install-sh in `make install-strip', and initialize
961 # STRIPPROG with the value of the STRIP variable (set by the user).
962 AC_DEFUN([AM_PROG_INSTALL_STRIP],
963 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
964 # Installed binaries are usually stripped using `strip' when the user
965 # run `make install-strip'. However `strip' might not be the right
966 # tool to use in cross-compilation environments, therefore Automake
967 # will honor the `STRIP' environment variable to overrule this program.
968 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
969 if test "$cross_compiling" != no; then
970 AC_CHECK_TOOL([STRIP], [strip], :)
972 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
973 AC_SUBST([INSTALL_STRIP_PROGRAM])])
975 # Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
977 # This file is free software; the Free Software Foundation
978 # gives unlimited permission to copy and/or distribute it,
979 # with or without modifications, as long as this notice is preserved.
983 # _AM_SUBST_NOTMAKE(VARIABLE)
984 # ---------------------------
985 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
986 # This macro is traced by Automake.
987 AC_DEFUN([_AM_SUBST_NOTMAKE])
989 # AM_SUBST_NOTMAKE(VARIABLE)
990 # --------------------------
991 # Public sister of _AM_SUBST_NOTMAKE.
992 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
994 # Check how to create a tarball. -*- Autoconf -*-
996 # Copyright (C) 2004, 2005, 2012 Free Software Foundation, Inc.
998 # This file is free software; the Free Software Foundation
999 # gives unlimited permission to copy and/or distribute it,
1000 # with or without modifications, as long as this notice is preserved.
1004 # _AM_PROG_TAR(FORMAT)
1005 # --------------------
1006 # Check how to create a tarball in format FORMAT.
1007 # FORMAT should be one of `v7', `ustar', or `pax'.
1009 # Substitute a variable $(am__tar) that is a command
1010 # writing to stdout a FORMAT-tarball containing the directory
1012 # tardir=directory && $(am__tar) > result.tar
1014 # Substitute a variable $(am__untar) that extract such
1015 # a tarball read from stdin.
1016 # $(am__untar) < result.tar
1017 AC_DEFUN([_AM_PROG_TAR],
1018 [# Always define AMTAR for backward compatibility. Yes, it's still used
1019 # in the wild :-( We should find a proper way to deprecate it ...
1020 AC_SUBST([AMTAR], ['$${TAR-tar}'])
1022 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1023 [m4_case([$1], [ustar],, [pax],,
1024 [m4_fatal([Unknown tar format])])
1025 AC_MSG_CHECKING([how to create a $1 tar archive])
1026 # Loop over all known methods to create a tar archive until one works.
1027 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1028 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1029 # Do not fold the above two line into one, because Tru64 sh and
1030 # Solaris sh will not grok spaces in the rhs of `-'.
1031 for _am_tool in $_am_tools
1035 for _am_tar in tar gnutar gtar;
1037 AM_RUN_LOG([$_am_tar --version]) && break
1039 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1040 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1041 am__untar="$_am_tar -xf -"
1044 # Must skip GNU tar: if it does not support --format= it doesn't create
1045 # ustar tarball either.
1046 (tar --version) >/dev/null 2>&1 && continue
1047 am__tar='tar chf - "$$tardir"'
1048 am__tar_='tar chf - "$tardir"'
1049 am__untar='tar xf -'
1052 am__tar='pax -L -x $1 -w "$$tardir"'
1053 am__tar_='pax -L -x $1 -w "$tardir"'
1057 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1058 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1059 am__untar='cpio -i -H $1 -d'
1068 # If the value was cached, stop now. We just wanted to have am__tar
1069 # and am__untar set.
1070 test -n "${am_cv_prog_tar_$1}" && break
1072 # tar/untar a dummy directory, and stop if the command works
1075 echo GrepMe > conftest.dir/file
1076 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1078 if test -s conftest.tar; then
1079 AM_RUN_LOG([$am__untar <conftest.tar])
1080 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1085 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1086 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1088 AC_SUBST([am__untar])
1091 m4_include([acinclude.m4])